Voice Quality Audio Compressiom

There’s an interesting article in The Guardian comparing compressiom rates and qualities for voice-based audio files. This is useful when considering producing audio for interactive environments and devices, as well as content that is shared via online audio services.

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It’s an interesting subject and one which has changed a lot over the years. We deal with just 2.4kbits/s with two way radio but yet 500kbits/s for broadcast links. Perhaps as speaker quality improves and data speeds and storage capacities get bigger then these low bitrates will be irrelevant.

I know we do some streaming for speech only services at 16kbit/s and nobody complains about the quality.